Automatic machine for selling liquids.



A. MEINBRT.

AUTOMATIC MACHINE FOR SELLING LIQUIDS.

APPLIOATION FILED JAN. 27. 1908.

Patentedept. 7, 1909.

3 SHEETS-SHEET 1.

A.y MEINERT. N AUTOMATIC MACHINE PoR SELLING LIQUIDS.

APPLIOATION FILED JAN. 27, 1908.

933,478. Patented sept?, 1909.

A 3 SHEETS-SHEET 2.

Z/l//l/ I \ll E (y v A. MEINERT. AUTOMATIC MACHINE POR SELLING LIQUIDS.

APPLICATION FILED JAN. 27, 190B.

Patented Sept. '7, 1909.

3 SHEETS-SHEET 3.

ANTON MEI-HEBT, 0F NECKARA, NEAR MANNHEIM, GERMANY.

AUTOMATIC MACHINE FOR SELLING LIQUIDS.

Specilcaton of Letters Patent.

Patented Sept.- 7, 1909;

Application filed January 27, laos. serial No. 412,787.

To all whom fit may concern:

-Be it known that I ANTON MEINEBT, a-

subject of the Gra-nd Enke ing at 46 Schulstrasse, Neckarau, near Mannheim, Germany,have invented certain new and useful Improvements in Automatic of Hesse, resid- Machines for Selling Liquids; and I doV hereby' declare the rfollowin to be a full, clear, and eXact description o the invention, such as will enable others skilled in the 4art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification. The present invention relates to an automatic machine for selling liquids inb which the inlet and outlet valves in the measuring receptacle are controlled by the coperation of an air-outlet valve, which closes at a certain level of the liquid, and a diaphragm stretched by the pressure of the entering liquid. In accordance with the invention a driving member is arranged on which work isto be done by the diaphragm and which is to close the outlet and open the inlet for the liquid. V

In order that the invention maybe clearly understood reference is made to' the accompanying drawings in which one embodiment is represented by way of example and in which:

Figure 1 is any elevation partly in section of a machine in its normal` position corresponding to that when liquid'flows out, and Fig. 2 is a vertical section through adetail in another position. Figs. 3 and 4 show a somewhat modified form in vertical section, the driving member being strained and in the position after its release by a coin respectively.

The measuring vessel 4 (Fig. 1) has an inlet 1 and an outlet 5 whichy are controlled by valves 2a and 2b. The valves 2a and 2h are mounted in such a manner on a common spindle 2 that the one must be open when the other is closed. The valve-spindle 2 is under the action of a spring 3 which tends to close the valve 21.- In addition, the pressure of the liquid existing in the supply ipe 1 also acts on the valve 2a in the cl p position, tending to keep it closed.

The cover 6 of the vessel 4`has in its center a hole closed by a diaphragm 7. T he latter .is clamped air-tight between the rim by the entering liqui round the hole in the cover, and the annular base of/a pedestal 8. The diaphragm rests 1n they center on a socket 21 connectedv by means of a spring 19 with the ,valve-spindle' 2;. Gn-the socket 21 and, when spring 19 is compressed, also on the upper end of the spindle 2 itself there is supported a pin 9 kby means of its base-plate 9a and by means of the diaphragm x7 situated between this base-plate ands iniflle. The pin 9 is surrounded by a ho lowrod 10 guided in the pedestal 8; this ro is loaded by a driving member or weight 15 and runs out below into a broad latel()st resting on the diaphragmf?. 1th the plate 10a there is connected a pin 12 extending upward and guided through a hole in `the pedestal 8. On the upper'end of this pin 12 there rests the weighted arm 11 of a two-armed lever which engages with its hook-sha ed curved other armv 11a in a slot 22 of t e hollow rod 10 and according to the position of the pin 9 4 lies with its end against or engages over it.

On the pedestal 8 there is journaled a lever 13a, 13b which underthe action of a diskshaped counterweight 13 tends to lie against a stop 23 limiting its movement. In the position shown in Fig. 1 the rod 10 with weight 15 is resting on the lever-arm 13a by means of its support 20, so that the lever 13a, 13h takesk up the entire and the dia hragm and valve-spindle are unloaded. rllhe lever 13, 18b is prevented from rotating by its arm 13b lying against a nose 14b ,of a locking lever 14. This engagement is assured by Iloading the lever 14 by means of a weight 14a. The locking lever 14 project-s with its free end through the slot- -ted mouthpiece 16 for the insertion of coins.

Through the cover 6 of the measuring vessel there passes a ipe 17 which carries at its interior end a oating ball-valve 18 and serves for conductingaway the air expelled and for the admission or air when the .liquid is run olf.

The described device operates as follows: Ifa coin or token is inserted into the mouth ieee 16 it hits the locking lever 14. The atter is thereby depressed and releases the lever 13, 13b. Consequently the driving Imember or weight 15 with the'rod 1() sinks, the lever 132133 rotatin The valve-spindle 2 is driven and theva ve 2b pressed on its seat, whereas the valve 2a opens. Liquid now entersv through the inlet 1 into the vessel 4,`

' air escaping through pipe 17. With the action of its load, could engage with the end of its hook-shaped curved arm 115 over it (Fig. 2). In this manner the closure of the valve 2b is assured independently of the further pressure of the weight 15. ,When the level of the liquid in the vessel 4 has reached the floating valve 18, the ball of the latter is raised and closes the outlet. In this manner a pressure above that of the atmosphere arises in the vessel, under which the diaphragm 7 rises. As the pin 9 is held by the lever arm 11, only the rojd 10 with the weight l5 at first participate in the rising movement of theI dia hragm 7 Fig. 2), so that the valve 2b sti remains c osed. The support 20 also descends with the rod 10, so that the lever 13a, 13b can rotate counterclockwise in the direction to the stop 23. Its arm 13b slides, pressing the lever 14 backward, over the nose 14b o the latter, which nose thereupon rises with the lever 14 and lies behind the arm 13b, lso that it prevents the lever 13a, 13b returning. At this moment the lever-arm 11 is also already raised by the pinl 12 rising with the rod 10 so far that at the next'moment the hook-shaped arm 11a releases the pin 9. The valve-spindle 2 now also moves with the pin 9, the diaphragm 7 following under the action of the spring 3 and the pressureof the liquid acting on the valve 2a. The latter is closed, the valve 2b opened and the liquid lows out of the vessel through tlle outlet 5, lwhereas air flows -in through pipe 17. As soon as valve ,2b is opened the pressure infthe vessel 4 disappears. The diaphragm 7 remains however in the raised osition under the pressure of the liquid and) springlacting from below on the spindle2, since t e weight 15 exceeding this pressure is Itaken up by the lever 13, 13". Ally the parts are now again inthe commencing position (Fig. 1). e

Thev automatic machine for sellingliquids according to Figs. 3 and 4 differs from that according to Figs. 1 and 2 only in non-essential. constructional, details. Instead of the weight 15 there is a spring 15X which is placed in a hole in the pedestal 8. Further, 1n consequence of the omission of the part of the rod 10 projecting above the pedestal 8, the support' 20, by means' of which the weighted lever 13, 13" takes up the pressure of the spring 15% when the driving member is strained, is attached ,to the 'pin 12. Lastly,the lever 11, 11a which prevents the center part of the diaphragm rislng with the valve-spindle until the driving member is raised or strained by means of the outer part of the dia hra is also shaped somewhat diii'erentlly. Ftmhas a cam 11ax whichA is situated with its face concentric with the center of the lever 11y above the pin 9, and

shaped counterweight, a sto the pin 9 slides ofi' from its sharped e after the driving member has had work one on it through the diaphragm.

I claim as my invention:

1. In an automatic machine for selling liquids, a coin releasing mechanism comprising a` coin chute, a locking lever,` a counter weight on the same, a pivotally mounted counterweight, a stop for the same, means associated with the said locking lever for normally maintaining the said pivotally mounted counterweight against the said stop, a rod, and -means `whereby said rod is supported in its normal position by the said pivotally mounted counterweight when the latter is also in its normal osition.

' 2. In an automatic mac ine forA selling liquids, a coin releasing mechanism comprising a coin chute,l a locking lever, one end of which passes beneath the bottom of the coin chute, a counterweight on the other end of said locking lever, a diskfor the same, means associated with the sald locking lever for normally maintaining the said diskshaped counterweight against said stop, a rod, means for actuating the said od and means whereby the said rod is su orted in its normal position by the said d1s -sha ed counterweight against the action of the ast aforesaid means.

'3. In an automatic machine for selling liquids, a coin releasing mechanism comprising a coin chute, a locking lever, one end of whichpasses beneath the bottom of the coin chute, a counterweight on the opposite end of, the said locking lever, a nose on the f' said locking lever, a pivotally mounted diskshaped counterweight having a recess therein adapted to be engaged by the Isaid nose on the locking lever, a stop for the said disk-shaped counterweight, a rod, a weight secured at one end of said rod for actuatm the same, and a sup ort arm secured to sai rod and adapted to ar its free end against a portion of the said disk-shaped counterweight to sup ort the said rod and weight in their norma positions when the said dlskshaped counterweight is in its normal position.

4. Inl an automatic machine for selling .'liquids, a coin releasing mechanism comprising a coin chute, a locking lever, one end of which passes beneath the bottom of the coin chute, a counterweight on the opposite end of the said locking lever, a nose on the said locking lever, a pivotally mounted diskshaped counterweight having a recess therein'ada ted to be engaged b the said nose on theocking lever, a stop or the said disk shaped counterweight, a rod, a weight 4secured at one end of said rod for actuatin the same, a collar surrounding said rod and vadapted to be secured thereto, a support arm connected with said collar and adapted at its free end to bear against a portion of as my invention, have signed my name in the said disk-shaped counterweight to mainpresence of two subscribing witnesses. tain the said rod and its weight 1n their nor- ANTON MEINERT mal positions when the said disk-shaped 5 counterweight is in its normal position in Witnesses:

engagement with the said loclng lever. v CLARE ZAUER,

In testimony that I claim the foregoing OT'ro HARTING 

